Vast video site entertains and educates; iffy stuff abounds.

Social site connects friends, requires privacy.

Vast library of links a boon for kids doing online research.

NYTimes blog gives young people fluff-free news, discussion.

Staffed by information pros, e-library is a solid resource.

Mostly tame entertainment portal has iffy off-site links.

With parental guidance, a good intro to online interaction.

Too many links, ads detract from online dictionary's value.

Multi-language library opens new doors for kids.

Animated educational content for kids to explore, for a fee.

Not flashy, but filled with good educational activities.

Captivating site on everyday (and advanced) science topics.